thousands of years gold has been considered one of the Earth's most precious metals 100% pure gold 24 carat gold which is too soft and be made into jewelry opal jewelry 14 karat gold approximately 58% gold 18 karat gold is 75 gold in 12 karat gold is 50% gold how much of each should be used to make a 14 karat gold bracelet weighing 100 grams

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c. the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false